For citations:
Naumov A.V., Prokofieva T.V., Polunina O.S., Saroyants L.V., Polunina E.A. Proinflammatory cytokines in patients with acute myocardial infarction against the background of chronic obstructive pulmonary disease. Medical Herald of the South of Russia. 2020;11(3):40-47. (In Russ.) https://doi.org/10.21886/2219-8075-2020-11-3-40-47